This is good post which made by MetaQuotes related to the speed of MT5 compare with MT4 for example (the source): Yes, in MQL4 it has long been available to 8 simultaneous trade orders of the experts. And tt will not be decreased. It is possible to provide 100-200 trade transactions in the second from 8 parallel experts Under ideal conditions on MT4. The MT5 even from one expert synchronously and consistently ...